113220220131 has 24 divisors (see below), whose sum is σ = 164415507776. Its totient is φ = 75076651440.

The previous prime is 113220220129. The next prime is 113220220151. The reversal of 113220220131 is 131022022311.

It is not a de Polignac number, because 113220220131 - 2¹ = 113220220129 is a prime.

It is a super-2 number, since 2×113220220131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113220220121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3254676 + ... + 3289278.

Almost surely, 2^113220220131 is an apocalyptic number.

113220220131 is a deficient number, since it is larger than the sum of its proper divisors (51195287645).

113220220131 is a wasteful number, since it uses less digits than its factorization.

113220220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36543 (or 36540 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113220220131 its reverse (131022022311), we get a palindrome (244242242442).

The spelling of 113220220131 in words is "one hundred thirteen billion, two hundred twenty million, two hundred twenty thousand, one hundred thirty-one".